<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>078-数组的反转.html</title>
</head>
<body>
	
</body>
<script>
	// var arr = [5,66,78,92,3,44,65,66];
	var arr = [9,8,7,6,5,4,3,2,1];
	console.log(":::1",arr);

	var result = arr.reverse();
	console.log(":::2",arr);
	console.log(":::3",result);
</script>
</html>